How much does it cost to finish a basement in Denver?

A basic Denver basement finish costs $35,000–$55,000. A full finish with bedroom, bath, and egress window runs $55,000–$90,000. A premium finish is $90,000–$140,000+. An ADU basement apartment ranges from $100,000–$180,000.

Do I need a radon test before finishing my Denver basement?

Yes — strongly recommended. Denver and the Front Range consistently test above the EPA's 4 pCi/L action level. A sub-slab mitigation system costs $800–$1,500 when installed during construction.

Can I add a legal bedroom in my Denver basement?

Yes, if it meets Denver building code: minimum 5.7 sq ft egress window opening, minimum 7-foot ceiling height, and a closet. We install egress windows and handle all permitting.

How long does a basement finish take in Denver?

A standard Denver basement finish takes 8–14 weeks from permit approval to completion. Complex projects with plumbing or egress run 12–18 weeks. Denver Building Services permitting adds 2–4 weeks.

Basement Remodeling & Finishing in Denver & Boulder, CO

Boulder, Denver & Surrounding Areas

An unfinished or underused basement is wasted square footage. Mannis Home Enhancement helps homeowners in Boulder, Denver, and nearby communities turn basements into comfortable, functional spaces that add real value to the home. From basic finishing to high-end entertainment areas, we handle the entire basement remodeling process.

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”Family

”Bedrooms,

”Offices,

Basement Remodeling & Finishing

Why Work with Mannis Home Enhancement on Your Basement

98+ years of experience working in Colorado homes and conditions.

5-star rating is built on reliability, communication, and workmanship that holds up.

One-stop shop home service coordinates framing, electrical, plumbing, finishes, and clean-up under one roof.

A fully insured, family-owned company that treats your home as if it were our own.

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Basements come with unique challenges: moisture, lighting, ceiling heights, existing systems, and safety codes. You need a contractor with experience solving these issues, not creating new ones.

From the first conversation to the final walkthrough, our goal is simple: a basement that feels like true living space, not an afterthought.

Popular Projects

Basement Remodeling Possibilities

Family or media rooms with comfortable layouts for movie nights and gatherings.

Guest suites or in-law spaces with bedrooms and bathrooms that feel private and welcoming.

Home offices and workspaces with smart lighting and power planning.

Home gyms or hobby rooms designed for the way you like to unwind.

Storage and organization upgrades so you gain usable space while still having room for seasonal items.

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Mannis Home Enhancement designs basements around how you actually want to use the space.

If you already have a partially finished basement that feels outdated or dark, Mannis Home Enhancement can remodel it to match the quality of the rest of your home.

Mannis Home Enhancement’s clear, proven process

Our Basement Remodeling Process

1. Basement assessment and consultation

We evaluate existing conditions, ceiling heights, mechanical systems, and any moisture concerns. We then talk through how you want to use the space.

2. Design, layout, and scope

Mannis Home Enhancement develops a layout that works with your home and your budget. We define framing, walls, lighting, flooring, and any added bathrooms or wet bars.

3. Permits, planning, and scheduling

Where required, we help navigate permitting and inspections. We plan the workflow to minimize disruption and keep you informed.

4. Construction and final review

Our team completes the framing, rough-ins, drywall, finishes, and trim. We review the completed basement with you and address any items that need fine-tuning.

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Ready to Remodel Your BASEMENT?

If you are ready to finish or remodel your basement, Mannis Home Enhancement can help you get the most out of every square foot.

Contact Mannis Home Enhancement today to schedule a free basement remodeling estimate and start turning your lower level into one of your favorite places in the house.

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”Kitchen

Custom kitchen remodeling that improves flow, storage, and everyday function.

”Bathroom

Bathroom remodels focused on durability, comfort, and a clean modern look.

”Basement

Basement finishing and remodeling that turns unused space into true living area.

What People Are Saying About Us?

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“We had Mannis Home Enhancement redo our kitchen and master bathroom, and we couldn’t be happier with how everything turned out, it’s absolutely beautiful. From the beginning, their transparency, professionalism, and craftsmanship made the whole process easy to trust. A project this big, and the investment it required, was a tough decision, but honestly, it was worth every penny. I’m very grateful to Tyler and the Mannis team and would recommend them to anyone looking for high quality work at a fair price.”

“He did my bathroom and main floor remodel and it turned out absolutely incredible! I’m so in love with it. Wonderful working with him!!! Highly recommend!“

Serving Denver & Boulder

We specialize in local basement remodeling across the Denver-Boulder Front Range. Visit our dedicated location pages for local pricing, neighborhood details, and area-specific information:

Basement Finishing in Denver — Local pricing, Denver neighborhood details, and permit information for Denver homeowners.
Basement Finishing in Boulder — Local pricing, Boulder neighborhood details, and area-specific information for Boulder homeowners.